DIFF Subgroup Additional Only
H03F 2201/32 Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion
Full Title
Indexing scheme relating to details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements covered by H03F1/00 > Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion
Of 12 combined children, 0 exist in both systems.
12 codes are CPC-only extensions.
Note: 12 CPC extensions are marked as secondary classification only.